What was found
LT WING CTR L/E UPPER PLATING HAS CORROSION AND INTERIM REPAIR FROM STA XFS 341.500 TO XW 257.000. REMOVED INTERIM REPAIR AND FASTENERS. REMOVED CORROSION ON LT WING CTR L/E UPPER PLATING, FOUND OUT OF LIMITS. TRIMMED OUT CORROSION SKIN AREA. PERFORMED EDDY CURRENT INSPECTION. CLEANED, TREATED AND PRIMED AREA. FABRICATED REPAIR DOUBLER (7075-T6 AL0.071), TWO FILLERS (7075-T6 AL0.063). CLEANED, TREATED AND PRIMED REPAIR DOUBLER INTERIOR SURFACE AND FILLERS. APPLIED PRC SEALANT ON FAYING SURFACES IAW SRM 51-1-11 PG 9. INSTALLED DOUBLER AND FILLERS ON LT WING CTR L/E UPPER PLATING, XFS 341.500 - XW 257.000, WITH NEW FASTENERS IAW EODHL-030560, ED-3388, SRM 51-1-21 PG 1.